Home / 91,503.45-137,255.22-60,111.90

Finding the Fourth Proportional to 91,503.45, 137,255.22 and 60,111.90

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Solution

The fourth proportional to 91,503.45, 137,255.22 and 60,111.90 is: 90,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,503.45 : 137,255.22 = 60,111.90 : x
  2. Step 2: Convert to fraction form
    91,503.45/137,255.22 = 60,111.90/x
  3. Step 3: Cross multiply
    91,503.45x = 137,255.22 × 60,111.90
  4. Step 4: Simplify right side
    91,503.45x = 8,250,672,059.12
  5. Step 5: Solve for x
    x = 8,250,672,059.12/91,503.45
  6. Step 6: Final answer
    x = 90,167.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.